Tagged Questions

Stress testing is a form of testing that is used to determine the stability of a given system or entity under load. It involves testing beyond normal operational capacity, often to a breaking point, in order to observe the results.

We have some VMs up and running, but we are seeing slow performance on some of them. We are unsure if it is a VM problem (Azure overloaded), an intermediate network problem or a problem on the client ...

I am trying to create a script for my coworkers to use in the field that will stress the internal disks to a Linux server. I plan to put some logic in for finding the /dev/sd's available and such. But ...

I have implemented a http proxy client/server. Currently I intended to test performance of this proxy client/server. Can anybody tell me what kind of tests should I take to analyze it's performance? ...

I am a computer scientist and I'm working as sysadmin of a small firm where I've been managing also the telephone system that my predecessor put in place.
Albeit I don't really have the skill set for ...

I need to do a benchmark test of a HTTPS server using Siege, to see how it behaves under massive load. I'm initiating tests from another machine which is quite powerful and it is connected to the same ...

I work with lxc user space tools on ubuntu 14.04 and I want to perform some stress tests and benchmarking within a container. I know that free and htop are not working properly in a container.
I am ...

I have an ubuntu webserver(LAMP) running a clients website.I have already created a test plan with jmeter, what i would like to know is how would we benchmark the server with Jmter and create a test ...

I have a web site that has lots of javascript but simple html. I want to try simple stress tests with curl. Is that possible? If I just curl the site I get HTML. So making tons of curl requests won't ...

I need to know some tuning configuration about APACHE/NGINX. I use Ubuntu Server 12.04.4 LTS on VirtuaBox with two VM: one with APACHE 2.2.22, the other with NGINX 1.1.19. In addition I installed PHP ...

We have a Dell PowerEdge R820 running VMware ESXi that has had multiple CPU errors over the past two months. It was originally having an IERR on CPU1 and now is showing CPU Check errors for CPU3. I ...

for testing purposes I need to stress an 8-port managed ethernet switch. Essentially, I want to simulate a scenario in which two hosts on the switch are exchanging data and the other hosts connected ...

I'm the co-founder of a startup which is in the beginning and growing rapidly. I want to test an stress scenario on my IIS server to help figure out the resource needed from our cloud service, like ...

Considering the fact that many server-class systems are equipped with ECC RAM, is it necessary or useful to burn-in the memory DIMMs prior to their deployment?
I've encountered an environment where ...

I've recently bought a used rackmount 2950 server on Ebay to use for a specific project.
I'm going to be spending a lot of time on this server, so I want to try and identify any major problems before ...

Just got some new Cores and RAM in last week, wamnted to stress test them and see if they were any good. Unfortunately I couldn't find any real resources on how to do this without an OD so I fired up ...

I need to test our server infrastructure providing static content, under heavy traffic. I need to utilize 10GBps at minimum if our new CDN infrastructure is working correctly, or pinout bottlenecks. ...

I am working on enhancing a BI platform, plugged into a bunch of stats gathered from a virtual datacentre (based on Jasper, but this shouldn't really make a difference).
So far, I have 4 hypervisors ...

I am using Tomcat 6 application container for my web site. HTTP requests come from mobile phones and every time server receive a httprequest it opens MySQL connection, insert some data in it and then ...

I'm having my first attempt at stress testing a simple django web app running from gunicorn and nginx which I’ve put on a small 256MB Rackspace Cloud server.
Using httperf, I increase the number of ...

My company currently has stress tests that are run manually through JMeter. We also use TeamCity for automation of JUnit testing.
It's become clear that we need to automate our stress testing as well ...

Is there a tool (preferably a web service) that can stress test our site? We're having problems with our site going down once we have about 100 concurrent users. Forums seem to suggest I need to tweak ...

I manage a campground wifi network with an average of 10 - 60 active users. I have encountered issues where the router starts acting flaky (failing to assign DHCP or failing to pass traffic) without ...

I need to purchase servers, and need to understand the right way to specify them.
Based on the answers to this question, there are several parameters to take into account:
CPU speed + Number of CPU ...

I'm giving a hands on presentation in a couple weeks. Part of this demo is for basic mysql trouble shooting including use of the slow query log. I've generated a database and installed our app but its ...